Made more changes, refactored the code
Merge branch 'master' of https://github.com/iordan93/GameFifteen
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Merge branch 'master' of https://github.com/iordan93/GameFifteen

Conflicts:
	Code_Refactored/Highscores.cs
	Code_Refactored/Score.cs
	Code_Tests/PositionTest.cs
	Code_Tests/ScoreTest.cs